CHEM 120 Final Exam (Questions and Answers)
CHEM 120 Final Exam
1. Question: (TCO 12) Transcription is the process by which DNA passes information to (Pts. : 5)
another strand of DNA.
transfer RNA.
...
CHEM 120 Final Exam (Questions and Answers)
CHEM 120 Final Exam
1. Question: (TCO 12) Transcription is the process by which DNA passes information to (Pts. : 5)
another strand of DNA.
transfer RNA.
ribosomal RNA.
messenger RNA.
a new cell.
2. Question: (TCO 12) The portion of an enzyme where the substrate “fits” during the reaction is called the (Pts. : 5)
active site.
action site.
reaction site.
substrate site.
inhibitor site.
3. Question: (TCO 12) Which of the following is not an unsaturated fatty acid? (Pts. : 5)
CH3CH2CH2CH=CHCOOH
CH3CH=CHCH=CHCOOH
CH3CH2CH2CH2CH2COOH
CH3CH2CH2CH2CH2CH=CHCOOH
CH3CH=CHCH2CH=CHCOOH
4. Question: (TCO 12) The helical structure of certain proteins, such as wool, is a part of the protein’s (Pts. : 5)
primary structure.
secondary structure.
tertiary structure.
primary and secondary structures.
secondary and tertiary structures.
5. Question: (TCO 12) Which of the following is a disaccharide? (Pts. : 5)
Cellulose
Starch
Fructose
Galactose
Lactose
6. Question: (TCO 12) In cells, protein synthesis occurs on the (Pts. : 5)
Golgi apparatus.
mitochondria.
nucleus.
cytoplasm.
ribosomes.
7. Question: (TCO 12) Which of the following is a monosaccharide? (Pts. : 5)
Cellulose
Starch
Galactose
Mannose
Lactose
8. Question: (TCO 4) The best description of the shape of an ammonia molecule is _____. (Pts. : 5)
linear
pyramidal
bent
tetrahedral
None of the above
9. Question: (TCO 4) Which of the following substances does not have polar covalent bonds? (Pts. : 5)
CO2
Br2
CH4
NF3
10. Question: (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid?
H2CO3 + H2O -> H3O+ + HCO3- (Pts. : 5)
H2O
HCO3-
H2CO3
H3O+
None of the above
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